Value-Added Analysis - A Comparison of the URM and MRM Approaches Using the SAS EVAAS Model
This document explains the methodology differences between the URM and MRM Value-Added approaches as well as how information in reported ini EVAAS, student placement in Diagnostic Reports, Student Placement in Performance Diagnostic Reports and information regarding Student Projection Information.

An Introduction to Confidence Intervals:
http://www.usablestats.com/tutorials/CI

Scales of Measurement Video tutorial:
http://stattrek.com/statistics/measurement-scales.aspx

Explanation of Normal Curve Equivalents:
http://ro.wikidoc.org/index.php/Normal_curve_equivalent

How to Calculate Mean, Standard Deviation, and Standard Error:
http://www.wikihow.com/Calculate-Mean,-Standard-Deviation,-and-Standard-Error

Statistical Resources from Khan Academy features videos and exercises:
Note - this website may work best in Mozilla Firefox or Chrome if you experience problems in IE.
http://www.khanacademy.org/math/statistics